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Ch. 9 Fluid Mechanics

Ch. 9 Fluid Mechanics. pgs. 317 - 342. Temperature (T). The measure of the average kinetic energy of the particles in a substance SI units for temperature are Kelvin (K) and degrees Celsius (°C) To convert from the Celsius Scale to Kelvin Scale, add 273 Example:

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Ch. 9 Fluid Mechanics

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  1. Ch. 9Fluid Mechanics pgs. 317 - 342

  2. Temperature (T) • The measure of the average kinetic energy of the particles in a substance • SI units for temperature are Kelvin (K) and degrees Celsius (°C) • To convert from the Celsius Scale to Kelvin Scale, add 273 • Example: • Room temperature is 20.°C which is 290 K

  3. Ideal Gas Law • Relates volume, pressure, and temperature • Temperature – Kelvin Scale • kB = Boltzmann’s Constant = 1.38 x 10-23 J/K

  4. Ideal Gas Law • When the number of gas particles is constant:

  5. Pure helium gas is contained in a leakproof cylinder containing a moveable piston. The initial volume, pressure, and temperature of the gas are 15 L, 2.0 atm, and 310 K, respectively. If the gas is rapidly compressed to 12 L and the pressure increases to 3.5 atm, find the final temperature of the gas.

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